🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 12.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.63 AU - 0.89 AU

Year: 457 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,998,726 km

• M1: 151,692 km (0.111 R)
• M2: 753,076 km (0.1 R)
• M3: 1,257,370 km (0.078 R)
• M4: 2,338,664 km (0.098 R)
• M5: 2,791,646 km (0.099 R)
• M6: 3,228,023 km (0.104 R)
• M7: 3,950,281 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 8.5

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.76 AU - 0.8 AU

Year: 476 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,998,726 km

• M1: 105,766 km (0.102 R)
• M2: 414,386 km (0.039 R)
• M3: 779,704 km (0.095 R)
• M4: 1,081,443 km (0.109 R)
• M5: 1,462,020 km (0.109 R)
• M6: 1,922,333 km (0.105 R)
• M7: 2,296,178 km (0.099 R)
• M8: 3,087,850 km (0.04 R)
• M9: 3,527,817 km (0.115 R)
• M10: 4,230,628 km (0.052 R)
• M11: 5,023,646 km (0.082 R)
• M12: 5,298,009 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.5

Radius: 14.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.41 AU - 1.53 AU

Year: 1230 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,998,726 km

• M1: 179,368 km (0.085 R)
• M2: 647,310 km (0.1 R)
• M3: 1,111,063 km (0.115 R)
• M4: 1,800,560 km (0.12 R)
• M5: 2,350,631 km (0.043 R)
• M6: 3,232,062 km (0.119 R)
• M7: 4,376,785 km (0.076 R)
• M8: 4,844,727 km (0.12 R)
• M9: 5,426,513 km (0.119 R)
• M10: 6,943,735 km (0.102 R)
• M11: 7,407,638 km (0.116 R)
• M12: 8,209,183 km (0.104 R)
• M13: 8,812,511 km (0.118 R)
• M14: 9,415,989 km (0.112 R)
• M15: 10,483,071 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 12.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.34 AU - 1.7 AU

Year: 1294 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,998,726 km

• M1: 154,235 km (0.087 R)
• M2: 613,202 km (0.069 R)
• M3: 1,296,415 km (0.113 R)
• M4: 1,920,537 km (0.117 R)
• M5: 3,339,174 km (0.064 R)
• M6: 3,841,973 km (0.072 R)
• M7: 5,283,348 km (0.111 R)
• M8: 5,792,430 km (0.104 R)
• M9: 7,945,592 km (0.113 R)
• M10: 8,846,919 km (0.059 R)
• M11: 9,659,535 km (0.117 R)
• M12: 10,819,516 km (0.031 R)
• M13: 11,643,202 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 9.4

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.54 AU - 1.72 AU

Year: 1436 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,998,726 km

• M1: 117,135 km (0.071 R)
• M2: 446,550 km (0.07 R)
• M3: 811,718 km (0.068 R)
• M4: 1,240,914 km (0.078 R)
• M5: 1,787,395 km (0.12 R)
• M6: 2,348,986 km (0.034 R)
• M7: 2,781,174 km (0.089 R)
• M8: 3,636,275 km (0.111 R)
• M9: 4,143,412 km (0.039 R)
• M10: 4,637,384 km (0.082 R)
• M11: 5,277,364 km (0.087 R)
• M12: 5,630,116 km (0.077 R)
• M13: 5,928,264 km (0.074 R)
• M14: 6,835,276 km (0.108 R)
• M15: 7,175,013 km (0.089 R)
• M16: 8,088,607 km (0.108 R)
• M17: 8,528,724 km (0.065 R)
• M18: 9,650,259 km (0.103 R)
• M19: 9,978,627 km (0.112 R)
• M20: 11,079,667 km (0.055 R)
• M21: 13,279,055 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 12.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.77 AU - 2.89 AU

Year: 3286 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,998,726 km

• M1: 160,818 km (0.094 R)
• M2: 851,661 km (0.068 R)
• M3: 2,034,531 km (0.099 R)
• M4: 2,441,736 km (0.058 R)
• M5: 3,006,618 km (0.052 R)
• M6: 3,737,852 km (0.104 R)
• M7: 4,222,699 km (0.114 R)
• M8: 5,528,838 km (0.085 R)
• M9: 6,718,740 km (0.08 R)
• M10: 7,471,516 km (0.088 R)
• M11: 7,902,358 km (0.116 R)
• M12: 12,796,751 km (0.034 R)
• M13: 13,366,869 km (0.078 R)
• M14: 14,253,835 km (0.068 R)
• M15: 16,924,007 km (0.052 R)
• M16: 18,496,879 km (0.092 R)
• M17: 19,103,349 km (0.119 R)
• M18: 21,463,854 km (0.108 R)
• M19: 22,269,438 km (0.115 R)
• M20: 23,656,958 km (0.113 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.9

Radius: 3

Gravity: 96.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.51 AU - 9.15 AU

Year: 13698 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,998,726 km

• M1: 37,250 km (0.077 R)
• M2: 171,439 km (0.112 R)
• M3: 289,621 km (0.057 R)
• M4: 483,052 km (0.073 R)
• M5: 1,187,657 km (0.098 R)
• M6: 1,426,416 km (0.055 R)
• M7: 2,152,863 km (0.057 R)
• M8: 3,979,303 km (0.063 R)
• M9: 4,510,376 km (0.072 R)
• M10: 11,451,418 km (0.075 R)
• M11: 21,049,168 km (0.063 R)
• M12: 23,123,792 km (0.111 R)
• M13: 26,698,582 km (0.079 R)
• M14: 27,455,099 km (0.12 R)
• M15: 28,560,477 km (0.1 R)
• M16: 29,010,917 km (0.101 R)
• M17: 29,465,993 km (0.119 R)
• M18: 30,390,359 km (0.037 R)
• M19: 33,777,853 km (0.117 R)
• M20: 34,790,032 km (0.114 R)
• M21: 41,866,310 km (0.107 R)
• M22: 42,447,199 km (0.117 R)
• M23: 46,509,978 km (0.109 R)
• M24: 47,446,610 km (0.079 R)
• M25: 49,519,139 km (0.034 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 13,883 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit